1 /* $NetBSD: imx51_usb.c,v 1.1 2010/11/30 13:05:27 bsh Exp $ */ 2 /* 3 * Copyright (c) 2010 Genetec Corporation. All rights reserved. 4 * Written by Hiroyuki Bessho for Genetec Corporation. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: imx51_usb.c,v 1.1 2010/11/30 13:05:27 bsh Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/conf.h> 33 #include <sys/kernel.h> 34 #include <sys/device.h> 35 #include <sys/intr.h> 36 #include <sys/bus.h> 37 38 #include <dev/usb/usb.h> 39 #include <dev/usb/usbdi.h> 40 #include <dev/usb/usbdivar.h> 41 #include <dev/usb/usb_mem.h> 42 43 #include <dev/usb/ehcireg.h> 44 #include <dev/usb/ehcivar.h> 45 46 #include <arm/imx/imx51reg.h> 47 #include <arm/imx/imx51var.h> 48 #include <arm/imx/imxusbvar.h> 49 #include "locators.h" 50 51 static int imxusbc_search(device_t, cfdata_t, const int *, void *); 52 53 54 int 55 imxusbc_attach_common(device_t parent, device_t self, bus_space_tag_t iot) 56 { 57 struct imxusbc_softc *sc = device_private(self); 58 59 sc->sc_iot = iot; 60 61 /* Map entire USBOH3 registers. Host controller drivers 62 * re-use subregions of this. */ 63 if (bus_space_map(iot, USBOH3_BASE, USBOH3_SIZE, 0, &sc->sc_ioh)) 64 return -1; 65 66 /* attach OTG/EHCI host controllers */ 67 config_search_ia(imxusbc_search, self, "imxusbc", NULL); 68 69 return 0; 70 } 71 72 static int 73 imxusbc_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 74 { 75 struct imxusbc_softc *sc = device_private(parent); 76 struct imxusbc_attach_args aa; 77 78 aa.aa_iot = sc->sc_iot; 79 aa.aa_ioh = sc->sc_ioh; 80 aa.aa_dmat = &imx_bus_dma_tag; 81 aa.aa_unit = cf->cf_loc[IMXUSBCCF_UNIT]; 82 aa.aa_irq = cf->cf_loc[IMXUSBCCF_IRQ]; 83 84 if (config_match(parent, cf, &aa) > 0) 85 config_attach(parent, cf, &aa, NULL); 86 87 return 0; 88 } 89 90